Pearson's r
calculator
formulas

Step 1: Enter Data Into Columns x and y
(Must Click on Buttons Below in order for calculator to work)

x
(x-Mx)2
 y (y-My)2 xy
Sx = S(x-Mx)2= Sy = S(y-My)2 Sxy =
Mx = sx = My = sy =  
     




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( ) ( )
8
(8) ( )( )



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r =

r signficance/probability table


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